servicing brands

Mitsubishi Aircon Servicing and Installation

Engage Us For Proficient Mitsubishi Aircon Servicing and Installation

As a certified Mitsubishi aircon servicing provider in Singapore, Newway handles maintenance, repair, and installation for both Mitsubishi Electric (Starmex) and Mitsubishi Heavy Industries (MHI) systems. Our BizSAFE- and BCA-accredited technicians use only genuine Mitsubishi parts, backed by a workmanship warranty, on everything from HDB split units to commercial VRF networks.

Mitsubishi Aircon Installation

For reliable Mitsubishi aircon installation in Singapore, Newway provides expert supply-and-install services for Mitsubishi Electric and Mitsubishi Heavy Industries systems across HDB, condo, landed property, and commercial spaces.

Split Systems (Residential)

Ideal for individual rooms or whole-home multi-split setups. Mitsubishi’s VCSi inverter technology and whisper-quiet operation make these the preferred choice for Singapore homeowners.

Flexible Installation: Suitable for all room configurations
Energy Efficiency: VCSi technology reduces electricity bills by up to 50%
Quiet Operation: Industry-leading low noise, ideal for shared HDB walls

Centralised Systems (Commercial)

For larger homes or commercial spaces needing uniform cooling across multiple zones.

Uniform Cooling: Consistent temperatures throughout
Advanced Control: Zone control and programmable thermostats
Aesthetic Appeal: Concealed ductwork maintains interior design

Essential Repairs for Mitsubishi Aircon Common Problems

Quickly addressing aircon issues is vital for comfort and efficiency. Common problems like poor cooling, strange noises, leaks, and frequent cycling need expert attention. Trust Newway Air Conditioning for reliable Mitsubishi aircon repair in Singapore to keep your system running smoothly.

Aircon Not Cooling

Your Mitsubishi aircon may blow warm air when the refrigerant level is too low. A refrigerant leak can also reduce cooling performance over time.

Leak inspection, refrigerant top-up or system repair.

Water Leaking

Water may drip from the indoor unit when the drainage pipe is blocked. Prompt cleaning helps prevent stains, water damage and further drainage problems.

Drainage pipe clearing and condensate system cleaning.

Strange Noises

Rattling, buzzing or grinding sounds may point to a loose or worn internal component. Continuing to run the unit could cause additional damage.

Component inspection, tightening or replacement.

Bad Smell from Aircon

A musty smell often develops when mould grows inside the unit due to moisture and Singapore’s humid conditions. Thorough cleaning can improve air freshness.

Deep cleaning or chemical overhaul.

Aircon Keeps Turning On and Off

Frequent cycling may be caused by a faulty thermostat that cannot read or maintain the selected temperature correctly. This may increase energy use and component wear.

Thermostat inspection, calibration or replacement.

Weak Airflow

Clogged air filters can restrict the amount of cool air flowing into the room. Regular cleaning helps restore airflow and improve cooling efficiency.

Filter cleaning, replacement or general servicing.

Error Codes

Error codes indicate that the aircon has detected a system fault. The specific code helps technicians identify the affected component and recommend the appropriate repair.

Error-code diagnosis and targeted component repair.

Aircon Not Turning On

An aircon that does not start may have a faulty electrical component or damaged control board. A professional inspection is needed before attempting to restart it.

Electrical testing, control board repair or component replacement.

Experiencing any of these issues? Contact Newway for prompt Mitsubishi aircon diagnosis and repair.

Process to Check Mitsubishi Aircon Error Codes

Error codes in your Mitsubishi air conditioner signal specific issues within the system. Understanding these codes is essential for prompt rectification to prevent further damage.

When an error occurs, the remote controller will display the error code, and the upper operation indicator lamp on the indoor unit will blink.

For expert help in checking and resolving error codes, contact Newway Air Conditioning for Mitsubishi aircon repair and servicing in Singapore.

Press any button to exit the error code display mode on the remote controller. (Note: the error code might not be visible if the operation indicator lamp is not blinking)

Ensure the handheld remote controller is powered off.

Stand within 2 metres in front of the indoor unit.

Point the remote controller towards the receiving section of the indoor unit.

Press and hold the small “CHECK” button using a fine-tipped object.

Continue pointing the remote controller at the indoor unit until you hear a beep and see the error code (2 digits) on the display.

Refer to the error code table to determine the specific problem.

Understanding Mitsubishi Aircon Error Codes: Indoor and Outdoor Unit Issues

Understanding the difference between general, steam, and chemical aircon servicing helps you choose the right care for your unit. Each service type offers varying levels of cleaning depth, frequency, and cost depending on your aircon’s condition.

Object	Error Code	Abnormal Point
Indoor unit	00	None (Normal)
	E6	Serial Signal
	E7	Serial Signal
	Fb	Indoor control system
	P1	Room temperature thermistor
	P2	Indoor coil thermistor
	P9	Indoor coil thermistor
	Pb	Indoor fan motor
Outdoor unit	E8	Indoor/outdoor communication, receiving error
	E9
	EC
	FC	Nonvolatile memory data
	Fd	Different voltage
	P8	4-way valve/Pipe temperature
	PL	Outdoor refrigerant system
	U3	Discharge temperature thermistor
	U4	Defrost thermistor Fin temperature thermistor P.C. board temperature thermistor Ambient temperature thermistor Outdoor heat exchanger temperature thermistor
	UE	Stop valve (Closed valve)
	UP	Outdoor power system

Object

Error Code

Abnormal Point

None (Normal)

Serial Signal

Indoor control system

Room temperature thermistor

Indoor coil thermistor

Indoor fan motor

Indoor Unit

Our technicians are well-versed in a diverse array of Mitsubishi air conditioning models. Whether it’s the sleek and energy-efficient split systems or the robust ducted units designed for precise climate control, we keep your systems operating at peak performance with our expert servicing.

30 days of workmanship warranty given based on scope of service

How Often Should You Service Your Mitsubishi Aircon in Singapore?

Usage Type

Recommended Frequency

Residential – normal use (8 hrs/day)

Every 3–4 months

Residential – heavy use / WFH/ all day use

Monthly or bi-monthly

Commercial / office (10+ hrs/day)

Monthly or bi-monthly

Chemical Overhaul

As required (or typically every 12–18 months, depending on unit condition)

Singapore’s tropical humidity means Mitsubishi units like all air conditioners accumulate mould and dust faster than in temperate countries. Following this schedule protects your warranty and ensures peak performance.

Mitsubishi Aircon Servicing Rates

Basic Probiotic HydroClean (Standard FCU)

9,000-12,000 BTU

$35

12,001-18,000 BTU

$40

18,001-24,000 BTU

$45

24,001-34,000 BTU

$50

For other aircon models, please contact us for a quotation.

Minimum 2 FCUs per booking, otherwise transportation fee ($30) applies. 
* For all other non-standard aircon services, please contact us for a quotation. 
* All prices shown are subjected to the prevailing GST rate (Government Tax). 
* Additional $10 surcharge (before GST) applicable for addresses within CBD / Sentosa Island / Jurong Island.

Why Customers Choose Newway for Mitsubishi Aircon Services

Over 30 Years of Trusted Experience

With more than three decades in the industry, Newway delivers expert Mitsubishi aircon servicing and repair across residential and commercial spaces in Singapore.

Certified Technicians, Genuine Parts

Our certified team handles both Mitsubishi Electric and Mitsubishi Heavy Industries systems, using only genuine parts backed by a reliable warranty.

Recognised Industry Standards

We are bizSAFE- and BCA-accredited, ensuring every installation, maintenance, and repair meets Singapore’s highest safety and quality benchmarks.

TESTIMONIALS

See What Our Customers Say About Our Aircon Installation Service?

1000+ Reviews

    
 
 
       Posted on Google  
   
   YA 
 
 
 
 Trustindex verifies that the original source of the review is Google. Ah Feng team service is very good 👍I am very satisfied with their service. The team is highly experienced and handled my aircon issue with great patience. They explained clearly, worked carefully, and resolved the problem efficiently. Truly professional and reliable. I would recommend them to anyone looking for good aircon servicing.
  
 
      Posted on Google  
   
   Chance OnceMore 
 
 
 
 Trustindex verifies that the original source of the review is Google. Kumar and Omar did an excellent job troubleshooting and repairing the aircon compressor PCB. They handled the job swiftly and also clearly explained the progress and what needs to be done.

Highly recommended for their technical and communication services for aircon servicing, repair, and replacement.

Thank you
  
 
      Posted on Google  
   
   Nurul'ain Hamdan 
 
 
 
 Trustindex verifies that the original source of the review is Google. Cheng and partner did my 3 unit AC cleaning for today. They were punctual and did the cleaning quite fast. Thank you! Aircon are colder now (:
  
 
      Posted on Google  
   
   May Tan 
 
 
 
 Trustindex verifies that the original source of the review is Google. Ah Feng and his partner did a thorough chemical overhaul and gave good advice on maintenance of our aircon. Thank you
  
 
      Posted on Google  
   
   Goh Bc 
 
 
 
 Trustindex verifies that the original source of the review is Google. Have been using Newway service for a long time already. Ah Feng's team did the servicing this time and their service is as professional as ever.
  
 
      Posted on Google  
   
   Jam Butter 
 
 
 
 Trustindex verifies that the original source of the review is Google. Service by technician Feng, good and detailed. Recommended!

Frequently Asked Questions

How often should I service my Mitsubishi aircon unit?

For optimal performance, it is recommended to service your Mitsubishi aircon unit at least once every six months. Regular servicing in Singapore helps prevent common issues such as clogged filters, refrigerant leaks, and unusual noises, ensuring your air conditioning system remains efficient and reliable in the local climate. Regular Mitsubishi aircon Singapore servicing is crucial to prolonging the lifespan of your unit and maintaining its energy efficiency, helping you avoid costly repairs in the future.

What should I do if my aircon is leaking water?

Water leaks in your aircon can be caused by a clogged drain line, a frozen evaporator coil, or other underlying issues. It’s essential to address these problems promptly to prevent water damage and maintain system efficiency. If you experience this issue, consider scheduling a Mitsubishi aircon repair in Singapore to identify and fix the source of the leaks. Our comprehensive servicing includes diagnosing the cause of the leak and providing the necessary repairs to ensure your aircon operates reliably and efficiently.

What are the benefits of installing a Mitsubishi split aircon system?

A Mitsubishi split aircon system offers several benefits, including flexible installation options, high energy efficiency due to advanced inverter technology, and quiet operation. It is an excellent choice for individual rooms or smaller spaces where targeted cooling is required.

How long does an aircon installation take?

The installation time for an aircon unit can vary based on the type and complexity of the system. Generally, a split system can be installed within a few hours, while a centralised system may take a day or two. Get in touch with us for an accurate timeframe.

Are Mitsubishi aircons worth repairing after 10 years?

For regularly serviced Mitsubishi units, repair is often worthwhile even after 10 years, provided the repair cost is under 40% of a new equivalent unit’s price. Mitsubishi Electric Starmex systems are built to last 15–20 years with proper maintenance. Key exceptions: if your unit uses the now-discontinued R22 refrigerant, or if the compressor has failed alongside other major components, replacement becomes the more cost-effective choice. Newway technicians will always give you an honest cost-benefit comparison before recommending repair or replacement.

Do you support Mitsubishi VRF systems?

Yes. Our team provides Mitsubishi aircon servicing and repair in Singapore for both residential and commercial VRF systems. We handle everything from diagnostics and part replacements to performance tuning, ensuring consistent cooling and energy efficiency across large-scale or multi-zone setups.

Let Us Know How We Can Help

Book your aircon servicing with Newway and enjoy better cooling, lower energy bills, and healthier indoor air — all with a team you can trust.